Home / 12,206.79-18,310.55-3,441.51

Finding the Fourth Proportional to 12,206.79, 18,310.55 and 3,441.51

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Solution

The fourth proportional to 12,206.79, 18,310.55 and 3,441.51 is: 5,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.79 : 18,310.55 = 3,441.51 : x
  2. Step 2: Convert to fraction form
    12,206.79/18,310.55 = 3,441.51/x
  3. Step 3: Cross multiply
    12,206.79x = 18,310.55 × 3,441.51
  4. Step 4: Simplify right side
    12,206.79x = 63,015,923.72
  5. Step 5: Solve for x
    x = 63,015,923.72/12,206.79
  6. Step 6: Final answer
    x = 5,162.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.